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drm/radeon: remove global vm lock

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Not needed any more.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König 2014-02-20 19:33:15 +01:00
parent 6d2f2944e9
commit 529364e05b
5 changed files with 11 additions and 14 deletions
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1
drivers/gpu/drm/radeon/radeon.h
View File

@ -884,7 +884,6 @@ struct radeon_vm {
};
struct radeon_vm_manager {
struct mutex lock;
struct radeon_fence *active[RADEON_NUM_VM];
uint32_t max_pfn;
/* number of VMIDs */

4
drivers/gpu/drm/radeon/radeon_cs.c
View File

@ -502,7 +502,6 @@ static int radeon_cs_ib_vm_chunk(struct radeon_device *rdev,
if (parser->ring == R600_RING_TYPE_UVD_INDEX)
radeon_uvd_note_usage(rdev);
mutex_lock(&rdev->vm_manager.lock);
mutex_lock(&vm->mutex);
r = radeon_bo_vm_update_pte(parser, vm);
if (r) {
@ -510,8 +509,6 @@ static int radeon_cs_ib_vm_chunk(struct radeon_device *rdev,
}
radeon_cs_sync_rings(parser);
radeon_semaphore_sync_to(parser->ib.semaphore, vm->fence);
radeon_semaphore_sync_to(parser->ib.semaphore,
radeon_vm_grab_id(rdev, vm, parser->ring));
if ((rdev->family >= CHIP_TAHITI) &&
(parser->chunk_const_ib_idx != -1)) {
@ -522,7 +519,6 @@ static int radeon_cs_ib_vm_chunk(struct radeon_device *rdev,
out:
mutex_unlock(&vm->mutex);
mutex_unlock(&rdev->vm_manager.lock);
return r;
}

3
drivers/gpu/drm/radeon/radeon_device.c
View File

@ -1191,8 +1191,7 @@ int radeon_device_init(struct radeon_device *rdev,
r = radeon_gem_init(rdev);
if (r)
return r;
/* initialize vm here */
mutex_init(&rdev->vm_manager.lock);
/* Adjust VM size here.
* Currently set to 4GB ((1 << 20) 4k pages).
* Max GPUVM size for cayman and SI is 40 bits.

7
drivers/gpu/drm/radeon/radeon_ring.c
View File

@ -145,6 +145,13 @@ int radeon_ib_schedule(struct radeon_device *rdev, struct radeon_ib *ib,
return r;
}
/* grab a vm id if necessary */
if (ib->vm) {
struct radeon_fence *vm_id_fence;
vm_id_fence = radeon_vm_grab_id(rdev, ib->vm, ib->ring);
radeon_semaphore_sync_to(ib->semaphore, vm_id_fence);
}
/* sync with other rings */
r = radeon_semaphore_sync_rings(rdev, ib->semaphore, ib->ring);
if (r) {

10
drivers/gpu/drm/radeon/radeon_vm.c
View File

@ -110,12 +110,10 @@ void radeon_vm_manager_fini(struct radeon_device *rdev)
if (!rdev->vm_manager.enabled)
return;
mutex_lock(&rdev->vm_manager.lock);
for (i = 0; i < RADEON_NUM_VM; ++i)
radeon_fence_unref(&rdev->vm_manager.active[i]);
radeon_asic_vm_fini(rdev);
rdev->vm_manager.enabled = false;
mutex_unlock(&rdev->vm_manager.lock);
}
/**
@ -734,7 +732,7 @@ static void radeon_vm_update_ptes(struct radeon_device *rdev,
* Fill in the page table entries for @bo (cayman+).
* Returns 0 for success, -EINVAL for failure.
*
* Object have to be reserved & global and local mutex must be locked!
* Object have to be reserved and mutex must be locked!
*/
int radeon_vm_bo_update(struct radeon_device *rdev,
struct radeon_vm *vm,
@ -842,12 +840,10 @@ int radeon_vm_bo_rmv(struct radeon_device *rdev,
{
int r = 0;
mutex_lock(&rdev->vm_manager.lock);
mutex_lock(&bo_va->vm->mutex);
if (bo_va->soffset) {
if (bo_va->soffset)
r = radeon_vm_bo_update(rdev, bo_va->vm, bo_va->bo, NULL);
}
mutex_unlock(&rdev->vm_manager.lock);
list_del(&bo_va->vm_list);
mutex_unlock(&bo_va->vm->mutex);
list_del(&bo_va->bo_list);